This could make Bring the Ending a little bit of a solid counter option, as it can counter stuff early just fine and turns into an easier to cast Counterspell once the game goes on
So basically the deck is just about Dinosaurs, though there's a bit of an Enrage subtheme too
Examples of effect-based restrictions include Bracket 1s limitation of no mass land denial, no extra turns, and few tutors. What counts as land denial and or a tutor is up for debate, as well as that pesky word few, but the overall guidance is legible: play casually, play slowly, and let players do fair things
After all, cards in your graveyard aren't gone forever in Magic
Pia and Kiran Nalaar would also be a lovely addition in the four slot
When Olivia takes the field, shes consistently generating Treasure Tokens which act as single-use Lands